另一种被柯仁博士和吉芬博士冠以“男中音”的咯咯咯咯的声音则向他们的求偶对象传递着它们的体型（包括身长和头寸），同时也传达着他们的努力程度（这种努力程度是通过肾上腺皮质酮的水平来衡量的）。

A mid-song sound that Dr Koren and Dr Geffen dubbed “chucks” communicates size (body length and head diameter) and also level of stress (as measured by cortisone levels).

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世卫组织沃考特仁博士说，怀特赛兹教授的“纸芯片”在湿热气候下可能会产生变形，而对于人们来说由于要靠医生分析检测结果从而对症治疗，所以看大夫仍然很重要。

Vercauteren, of the WHO, said the paper may mold in humid, hot climates. And it's still important for people to get access to doctors so they know what to do about their diagnoses, she said.

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斯卡仁拥有麻省理工大学的机械工程博士学位，计划明年初增加雇员。

Scaringe, who has a PhD in mechanical engineering from Massachusetts Institute of Technology, plans to step up hiring early next year.

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